Odyssey Marine Exploration Inc (OMEX) Insider Ownership

Historic Insider Ownership Trends

As of June 02, 2026, Odyssey Marine Exploration's top three insider holders are Gallardo Juan Antonio Carlos Cortina (TenPercentOwner, 3.93Mn shares), Mark B Justh (Director, 859.21K shares), Mark Gordon (Chief Executive Officer, 632.24K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Jay Nudi Pao/Treasurer 97,826 0 02 May, 2022
Mark Gordon Chief Executive Officer 632,235 0 23 Mar, 2026
Laura Lionetti Barton Chief Business Officer 77,755 0 17 Mar, 2022
Jon D Sawyer - 79,580 0 08 Dec, 2025
Mark B Justh - 859,207 0 03 Jul, 2025
John D Jr Longley President Coo 150,313 0 15 Oct, 2025
Christopher Emlyn Jones Chief Financial Officer 1,997 0 17 Mar, 2022
Larissa Tiffany Pommeraud - 72,624 0 21 Apr, 2026
Gallardo Juan Antonio Carlos Cortina - 0 3,931,466 13 Aug, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
20 Apr, 2026 Larissa Tiffany Pommeraud Common Stock A 23,981 $0.00 72,624 D A
20 Apr, 2026 Larissa Tiffany Pommeraud Common Stock A 23,981 $0.00 72,624 D A
23 Mar, 2026 Mark Gordon Common Stock A 150,000 $0.41 632,235 D M
23 Mar, 2026 Mark Gordon Stock Option(Right to Buy) D 150,000 $0.00 0 D M
08 Mar, 2026 Larissa Tiffany Pommeraud Common Stock A 6,803 $0.00 48,643 D A
08 Mar, 2026 Larissa Tiffany Pommeraud Common Stock A 6,803 $0.00 48,643 D A
08 Mar, 2026 Larissa Tiffany Pommeraud Common Stock A 6,803 $0.00 48,643 D A
06 Feb, 2026 Larissa Tiffany Pommeraud Common Stock A 5,291 $0.00 41,840 D A
06 Feb, 2026 Larissa Tiffany Pommeraud Common Stock A 5,291 $0.00 41,840 D A
06 Feb, 2026 Larissa Tiffany Pommeraud Common Stock A 5,291 $0.00 41,840 D A
06 Jan, 2026 Larissa Tiffany Pommeraud Common Stock A 10,204 $0.00 36,549 D A
06 Jan, 2026 Larissa Tiffany Pommeraud Common Stock A 10,204 $0.00 36,549 D A
06 Jan, 2026 Larissa Tiffany Pommeraud Common Stock A 10,204 $0.00 36,549 D A
05 Dec, 2025 Larissa Tiffany Pommeraud Common Stock A 4,854 $0.00 26,345 D A
05 Dec, 2025 Larissa Tiffany Pommeraud Common Stock A 4,854 $0.00 26,345 D A
05 Dec, 2025 Jon D Sawyer Common Stock A 4,854 $0.00 79,580 D A
05 Dec, 2025 Larissa Tiffany Pommeraud Common Stock A 4,854 $0.00 26,345 D A
05 Dec, 2025 Jon D Sawyer Common Stock A 4,854 $0.00 79,580 D A
05 Dec, 2025 Jon D Sawyer Common Stock A 4,854 $0.00 79,580 D A
02 Dec, 2025 Jon D Sawyer Restricted Stock Unit (RSU) A 20,000 $0.00 20,000 D A